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68C Medical Terminology A&P II Skeletal, Muscular, and Integumentary

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Term
Definition
Abduction (Skeletal System Vocab)   moving away from the midline of the body  
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Adduction (Skeletal System Vocab)   moving toward the midline of the body  
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Articular cartilage (Skeletal System Vocab)   A thin layer of cartilage covering each epiphysis  
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Circumduction (Skeletal System Vocab)   the process of moving the distal end of a body part in a circular path  
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Compact bone (Skeletal System Vocab)   dense bone  
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Diaphysis (Skeletal System Vocab)   shaft of a long bone  
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Endosteum (Skeletal System Vocab)   a fibrous membrane that lines the medullary cavity  
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Epiphyseal plate (Skeletal System Vocab)   the cartilage plate that is between the epiphysis and the diaphysis and allows growth to occur; sometimes referred to as a growth plate  
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Epiphyses (Skeletal System Vocab)   the ends of the bone  
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Extension (Skeletal System Vocab)   Increasing the angle between two bones at a joint  
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Flexion (Skeletal System Vocab)   act of bending; decreasing the angle between two bones at the joint  
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Fontanel (Skeletal System Vocab)   “soft spots” on the infant’s head; unossified areas in the infant skull  
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Hematopoiesis (Skeletal System Vocab)   blood cell formation  
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Medullary cavity (Skeletal System Vocab)   The hollow area inside the diaphysis of a bone; contains soft yellow bone marrow  
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Olecranon Fossa (Skeletal System Vocab)   a large depression on the posterior surface of the humerus  
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Osteoblasts (Skeletal System Vocab)   bone-forming cells  
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Osteoclasts (Skeletal System Vocab)   bone absorbing cells  
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Osteocytes (Skeletal System Vocab)   Living bone cells  
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Osteon (Skeletal System Vocab)   structural unit of compact bond tissue made up of concentric layers (lamellae) of hard bone matrix and bone cells; also called Haversian system  
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Periosteum (Skeletal System Vocab)   tough connective tissue covering the bone  
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Sinus (Skeletal System Vocab)   a space or cavity inside some of the cranial bones  
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Spongy bone (Skeletal System Vocab)   porous bone in the end of the long bone; may be filled with marrow  
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Suture (Skeletal System Vocab)   an immovable joint  
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Actin (Muscular System Vocab)   contractile protein found in the thin myofilaments of skeletal muscle  
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All or None (Muscular System Vocab)   when stimulated, a muscle fiber will contract fully or not at all; whether a contraction occurs depends on whether the stimulus reaches the required threshold  
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Antagonist (Muscular System Vocab)   those having opposing actions; for example, muscles that flex the upper arm are antagonists to muscles that extend it.  
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Aponeuroses (Muscular System Vocab)   broad fibrous sheets of connective tissue  
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Atrophy (Muscular System Vocab)   wasting away of tissue; decrease in size of a part; sometimes referred to as disuse atrophy  
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Bursa (Muscular System Vocab)   synovial fluid filled sac located between some tendons and bones, making movement easier  
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Hypertrophy (Muscular System Vocab)   increase in size, structure, or function  
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Isometric (Muscular System Vocab)   type of muscle contraction in which the muscle does not shorten or produce movement; (equal measure)  
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Isotonic (Muscular System Vocab)   produces movement at a joint; muscle changes length  
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Myosin (Muscular System Vocab)   contractile protein found in the thick myofilaments of skeletal muscle  
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Prime mover (Muscular System Vocab)   the muscle mainly responsible for producing a particular movement  
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Sarcomere (Muscular System Vocab)   contractile unit of muscle; length of a myofibril between two Z bands  
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Synergist (Muscular System Vocab)   muscle that assists the prime mover  
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Tenosynovitis (Muscular System Vocab)   inflammation of the tendon sheath  
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Abduction (body mechanics)   movement of an extremity away from the midline of the body  
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Adduction (body mechanics)   movement of an extremity toward the midline of the body  
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Alignment (body mechanics)   relationship of various body parts to one another  
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Base of support (body mechanics)   area on which an object rests; a stance with feet slightly apart  
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Body mechanics (body mechanics)   physiologic study of the muscular actions and the functions of muscles in maintaining posture of the body  
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Compartment syndrome (body mechanics)   occurs in the extremities, especially the legs, where a sheath of inelastic fascia partitions the blood vessel, nerve, and muscle tissue, leading to tissue necrosis if not relieved  
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Contractures (body mechanics)   abnormal, usually permanent condition of a joint characterized by flexion and fixation and caused by atrophy  
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Dorsal (supine) (body mechanics)   lying horizontal on the back  
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Dorsal recumbent (body mechanics)   supine position with patient lying on back, head and shoulders with extremities moderately flexed and legs extended  
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Dorsiflexion (body mechanics)   bending or flexing backward, as in upward bending of the fingers, wrists, feet and toes  
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Extension (body mechanics)   movement of joint that increases the angle between two adjoining bones  
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Flexion (body mechanics)   movement of certain joints that decreases the angle between two adjoining bones  
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Fowler's position (body mechanics)   a position arranged by elevating the head of the bed 45-60 degrees  
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Genupectoral (knee to chest) (body mechanics)   patient kneels so weight of body is supported by knees and chest  
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Hyperextension (body mechanics)   extension of a limb or part beyond the normal limit  
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Immobility (body mechanics)   inability to move around freely, caused by any condition in which movement is impaired or therapeutically restricted  
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Joint (body mechanics)   any one of the connections between bones  
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Lateral position (body mechanics)   when patient is resting on his/her side  
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Lithotomy (body mechanics)   patient lying supine with the hips and knees flexed and the thighs abducted and rotated externally  
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Logroll (body mechanics)   technique used to turn a patient in bed as a single unit while maintaining straight body alignment  
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Mobility (body mechanics)   the ability to move in one’s environment with ease and without restriction  
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Necrosis (body mechanics)   local death of tissue from disease or injury  
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Orthopnea (body mechanics)   the ability to breathe only in the upright position  
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Orthopneic (body mechanics)   pertains to the posture assumed by the patient sitting up in bed at a 90 degree angle  
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Physical disuse syndrome (body mechanics)   a state in which an individual is at risk for deterioration of body systems as the result of prescribed or unavoidable inactivity  
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Pivot (body mechanics)   turn or change of direction with your feet while remaining in a fixed place  
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Pressure ulcer (body mechanics)   an ulcer that forms from a local interference with circulation  
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Pronation (body mechanics)   palm of the hand turned down  
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Prone position (body mechanics)   when the patient is lying face down  
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Range of motion (body mechanics)   normal movement that any given joint is capable of making. Any body action involving the muscles joints and natural directional movement  
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Semi-Fowler's position (body mechanics)   position arranged by elevating the head of the bed approximately 30 degrees  
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Shearing force (body mechanics)   an applied force that causes a downward and forward pressure on the tissues beneath the skin. (Def in Ch. 18 Hygiene and Skin, p. 448, Foundations)  
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Sim's position (body mechanics)   patient lies on on left side, partially on abdomen, with right knee and thigh drawn upward toward chest  
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Supination (body mechanics)   the act of turning the palm of the hand forward or upward  
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Supine position (body mechanics)   resting on back  
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Apocrine gland (Integumentary System Vocab)   type of gland whose secretions contain parts of secretory cells  
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Arrector pili muscle (Integumentary System Vocab)   smooth muscle in skin associated with a hair follicle  
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Basement membrane (Integumentary System Vocab)   layer of extracellular matrix that anchors epithelial tissue to underlying connective tissue.  
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Collagen (Integumentary System Vocab)   protein in connective tissue and in bone matrix  
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Cutaneous (Integumentary System Vocab)   pertaining to the skin  
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Dermis (Integumentary System Vocab)   thick layer of the skin beneath the epidermis  
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Eccrine (Integumentary System Vocab)   sweat gland that maintains body temperature  
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Epidermis (Integumentary System Vocab)   outer stratified squamous epithelial layer of the skin  
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Hair follicle (Integumentary System Vocab)   tubelike depression in the skin in which a hair develops  
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Integumentary system (Integumentary System Vocab)   the skin and accessory organs  
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Keratin (Integumentary System Vocab)   protein in epidermis, hair and nails  
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Keratinization (Integumentary System Vocab)   process by which cells form fibrils of keratin protein and harden  
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Melanin (Integumentary System Vocab)   dark pigment normally found in skin and hair  
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Melanocytes (Integumentary System Vocab)   melanin-producing cell  
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Sebaceous gland (Integumentary System Vocab)   skin gland that secretes sebum  
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Subcutaneous (Integumentary System Vocab)   beneath the skin  
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Sweat (sudoriferous) gland (Integumentary System Vocab)   exocrine gland in skin that secretes a mixture of water, salt, urea and other bodily wastes  
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Bedpan (Skin & Hygiene Vocab)   device for receiving feces and urine from either male or female patients confined to bed  
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Canthus (Skin & Hygiene Vocab)   corner of the eye  
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Cerumen (Skin & Hygiene Vocab)   ear wax  
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Chux (Skin & Hygiene Vocab)   waterproof pads  
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Circumorbital (Skin & Hygiene Vocab)   circular area around the eye  
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Dentures (Skin & Hygiene Vocab)   artificial teeth  
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Diaphoresis (Skin & Hygiene Vocab)   sweating  
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Erythema (Skin & Hygiene Vocab)   redness  
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Hygiene (Skin & Hygiene Vocab)   science of health; care of the skin, hair, hands, feet, eyes, ears, nose, mouth, back and perineum  
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Medical Asepsis (Skin & Hygiene Vocab)   clean technique  
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Microorganism (Skin & Hygiene Vocab)   tiny plants and animals seen through the microscope  
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Oral hygiene (Skin & Hygiene Vocab)   care of the oral cavity that helps maintain a healthy state of the mouth, teeth, gums and lips.  
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Pathogenic (Skin & Hygiene Vocab)   disease-producing microorganisms  
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Perineal care (Skin & Hygiene Vocab)   care of the genitals  
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Prone (Skin & Hygiene Vocab)   lying on the abdomen  
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Range of Motion (ROM) (Skin & Hygiene Vocab)   normal movement that any joint is capable of making  
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Sim's' Position (Skin & Hygiene Vocab)   side lying  
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Supine (Skin & Hygiene Vocab)   lying face up  
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Syncope (Skin & Hygiene Vocab)   fainting  
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Urinal (Skin & Hygiene Vocab)   device for collecting urine  
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Vertigo (Skin & Hygiene Vocab)   dizziness  
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Threshold Stimulus (Muscular System)   the minimal level of stimulation required to cause a muscle fiber to contract  
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Twitch (Muscular System)   contractions that are a quick, jerky movement and do not play a significant role in normal muscular activity; they are a single contraction of muscle fibers caused by a single threshold stimulus  
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Tetanic contractions (Muscular System)   Sustained and steady muscular contractions caused by a series of stimuli bombarding a muscle in rapid succession  
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4 Abdominal Muscles (Muscular System)   External Oblique, Internal Oblique, Transverse Abdominis, Rectus Abdominis  
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3 Hamstring Muscles (Muscular System)   Semimembranosus, Semitendinosus, Biceps femoris  
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4 Quadricep Muscles (Muscular System)   Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius  
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4 Types of Bones (Skeletal System)   Long, short, flat, irregular  
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2 Types of Bone Formation/Growth (Skeletal System)   Intramembranous, Endochondral  
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3 Types of Ribs (Skeletal System)   True ribs- 7 rib pairs False ribs- 5 rib pairs Floating ribs- Rib pairs 11, and 12  
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Sternum, and its 3 portions (Skeletal System)   Located midline in the anterior portion of the thoracic cage Manubrium: The top portion. Body: The middle portion Xiphoid Process: The bottom portion  
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Pectoral Girdle (Skeletal System)   The shoulder bone formation  
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Hand Bones (Skeletal System)   Composed of 8 carpals, 5 metacarpals, and 5 sets of phalanges  
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Carpal Bones (Skeletal System)   Set of bones in the hand that articulates with the fibrocartilaginous disc on the ulnar side, and the radius.  
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Metacarpal Bones (Skeletal System)   Articulates proximally with the carpals and distally with the phalanges  
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Phalanges (Skeletal System)   Articulates proximally with the Metacarpals  
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